+/*
+ * Copyright (c) 1996-2012 by the citadel.org team
+ *
+ * This program is open source software. You can redistribute it and/or
+ * modify it under the terms of the GNU General Public License, version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
-#include <ctype.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/socket.h>
-#include <sys/time.h>
-#include <limits.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#include <string.h>
-#include <pwd.h>
-#include <errno.h>
-#include <stdarg.h>
-#include <pthread.h>
-#include <signal.h>
#include "webcit.h"
-#define TRUE 1
-#define FALSE 0
-
-typedef unsigned char byte; /* Byte type */
-static byte dtable[256]; /* base64 encode / decode table */
-
/*
- * decode_base64() and encode_base64() are adaptations of code by
- * John Walker, found in full in the file "base64.c" included with the Citadel
- * server. The difference between those functions and these is that
- * these are intended to encode/decode small string buffers, and those are
- * intended to encode/decode entire MIME parts.
+ * String to unset the cookie.
+ * Any date "in the past" will work, so I chose my birthday, right down to
+ * the exact minute. :)
*/
+static char *unset = "; expires=28-May-1971 18:10:00 GMT";
+typedef unsigned char byte; /* Byte type used by cookie_to_stuff() */
+extern const char *get_selected_language(void);
-void encode_base64(char *dest, char *source)
+/*
+ * Pack all session info into one easy-to-digest cookie. Healthy and delicious!
+ */
+void stuff_to_cookie(int unset_cookies)
{
- int i, hiteof = FALSE;
- int spos = 0;
- int dpos = 0;
-
- /* Fill dtable with character encodings. */
-
- for (i = 0; i < 26; i++) {
- dtable[i] = 'A' + i;
- dtable[26 + i] = 'a' + i;
- }
- for (i = 0; i < 10; i++) {
- dtable[52 + i] = '0' + i;
- }
- dtable[62] = '+';
- dtable[63] = '/';
+ wcsession *WCC = WC;
+ char buf[SIZ];
- while (!hiteof) {
- byte igroup[3], ogroup[4];
- int c, n;
-
- igroup[0] = igroup[1] = igroup[2] = 0;
- for (n = 0; n < 3; n++) {
- c = source[spos++];
- if (c == 0) {
- hiteof = TRUE;
- break;
- }
- igroup[n] = (byte) c;
+ if (unset_cookies) {
+ hprintf("Set-cookie: webcit=%s; path=/\r\n", unset);
}
- if (n > 0) {
- ogroup[0] = dtable[igroup[0] >> 2];
- ogroup[1] = dtable[((igroup[0] & 3) << 4) | (igroup[1] >> 4)];
- ogroup[2] = dtable[((igroup[1] & 0xF) << 2) | (igroup[2] >> 6)];
- ogroup[3] = dtable[igroup[2] & 0x3F];
-
- /* Replace characters in output stream with "=" pad
- characters if fewer than three characters were
- read from the end of the input stream. */
-
- if (n < 3) {
- ogroup[3] = '=';
- if (n < 2) {
- ogroup[2] = '=';
+ else
+ {
+ StrBufAppendPrintf(WCC->HBuf, "Set-cookie: webcit=");
+ snprintf(buf, sizeof(buf), "%d", WCC->wc_session);
+ StrBufHexescAppend(WCC->HBuf, NULL, buf);
+ StrBufHexescAppend(WCC->HBuf, NULL, "|");
+ StrBufHexescAppend(WCC->HBuf, WCC->wc_username, NULL);
+ StrBufHexescAppend(WCC->HBuf, NULL, "|");
+ StrBufHexescAppend(WCC->HBuf, WCC->wc_password, NULL);
+ StrBufHexescAppend(WCC->HBuf, NULL, "|");
+ StrBufHexescAppend(WCC->HBuf, WCC->CurRoom.name, NULL);
+ StrBufHexescAppend(WCC->HBuf, NULL, "|");
+ StrBufHexescAppend(WCC->HBuf, NULL, get_selected_language());
+ StrBufHexescAppend(WCC->HBuf, NULL, "|");
+
+ if (server_cookie != NULL) {
+ StrBufAppendPrintf(WCC->HBuf,
+ ";path=/ \r\n%s\r\n",
+ server_cookie);
}
- }
- for (i = 0; i < 4; i++) {
- dest[dpos++] = ogroup[i];
- dest[dpos] = 0;
- }
- }
- }
-}
-
-
-
-void decode_base64(char *dest, char *source)
-{
- int i;
- int dpos = 0;
- int spos = 0;
-
- for (i = 0; i < 255; i++) {
- dtable[i] = 0x80;
- }
- for (i = 'A'; i <= 'Z'; i++) {
- dtable[i] = 0 + (i - 'A');
- }
- for (i = 'a'; i <= 'z'; i++) {
- dtable[i] = 26 + (i - 'a');
- }
- for (i = '0'; i <= '9'; i++) {
- dtable[i] = 52 + (i - '0');
- }
- dtable['+'] = 62;
- dtable['/'] = 63;
- dtable['='] = 0;
-
- /*CONSTANTCONDITION*/
- while (TRUE) {
- byte a[4], b[4], o[3];
-
- for (i = 0; i < 4; i++) {
- int c = source[spos++];
-
- if (c == 0) {
- if (i > 0) {
- return;
+ else {
+ StrBufAppendBufPlain(WCC->HBuf,
+ HKEY("; path=/\r\n"), 0);
}
- return;
- }
- if (dtable[c] & 0x80) {
- /* Ignoring errors: discard invalid character. */
- i--;
- continue;
- }
- a[i] = (byte) c;
- b[i] = (byte) dtable[c];
- }
- o[0] = (b[0] << 2) | (b[1] >> 4);
- o[1] = (b[1] << 4) | (b[2] >> 2);
- o[2] = (b[2] << 6) | b[3];
- i = a[2] == '=' ? 1 : (a[3] == '=' ? 2 : 3);
- if (i>=1) dest[dpos++] = o[0];
- if (i>=2) dest[dpos++] = o[1];
- if (i>=3) dest[dpos++] = o[2];
- dest[dpos] = 0;
- if (i < 3) {
- return;
}
- }
-}
-
-
-
-
-
-/*
- * Pack all session info into one easy-to-digest cookie. Healthy and delicious!
- */
-void stuff_to_cookie(char *cookie, int session, char *user, char *pass, char *room)
-{
- char buf[256];
-
- sprintf(buf, "%d|%s|%s|%s", session, user, pass, room);
- encode_base64(cookie, buf);
}
-
/*
* Extract all that fun stuff out of the cookie.
*/
-void cookie_to_stuff(char *cookie, int *session, char *user, char *pass, char *room)
+void cookie_to_stuff(StrBuf *cookie,
+ int *session,
+ StrBuf *user,
+ StrBuf *pass,
+ StrBuf *room,
+ StrBuf *language)
{
- char buf[256];
-
- decode_base64(buf, cookie);
-
- if (session != NULL)
- *session = extract_int(buf, 0);
- if (user != NULL)
- extract(user, buf, 1);
- if (pass != NULL)
- extract(pass, buf, 2);
- if (room != NULL)
- extract(room, buf, 3);
+ if (session != NULL) {
+ *session = StrBufExtract_int(cookie, 0, '|');
+ }
+ if (user != NULL) {
+ StrBufExtract_token(user, cookie, 1, '|');
+ }
+ if (pass != NULL) {
+ StrBufExtract_token(pass, cookie, 2, '|');
+ }
+ if (room != NULL) {
+ StrBufExtract_token(room, cookie, 3, '|');
+ }
+ if (language != NULL) {
+ StrBufExtract_token(language, cookie, 4, '|');
+ }
}
projects / citadel.git / blobdiff